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NXP Semiconductors SPC5742PFK1AMLQ8
- Part No.:
- SPC5742PFK1AMLQ8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PFK1AMLQ8.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,018
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Product details
Overview
SPC5742PFK1AMLQ8 from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, featuring 1.5 MB flash, 192 KB RAM, FlexCAN, FlexRay, SENT, LINFlexD, and ASIL-D functional safety support for safety-critical motor control applications.
For engineers reviewing the SPC5742PFK1AMLQ8 datasheet, SPC5742PFK1AMLQ8 pinout, SPC5742PFK1AMLQ8 application, or SPC5742PFK1AMLQ8 equivalent, key selection criteria include lockstep core redundancy, end-to-end ECC memory protection, AEC-Q100 Grade 1 qualification (−40°C to 125°C), and integrated safety peripherals including FCCU and LBIST/MBIST.
Technical Context
The SPC5742PFK1AMLQ8 implements two e200z4 cores in delayed lockstep with synchronized execution and comparison logic, enabling real-time fault detection per ISO 26262 ASIL-D requirements. It integrates a Safety Lake subsystem containing duplicate peripheral bridges, crossbar switch with address+data ECC, and dedicated safety checker logic for S-FPU and memory controllers.
Its communication suite includes dual-channel FlexRay™ (up to 10 Mbps), three FlexCAN modules (CAN 2.0B), four SENT receivers, two LINFlexD interfaces, and DSPI controllers - all accessible via I/O bridges with configurable safety monitoring and error injection test modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in hardware lockstep for ASIL-D fault containment |
| Max Clock Speed | 200 MHz - enables deterministic real-time response for EPS and braking control loops |
| Flash Memory | 1.5 MB with I/D cache, ECC protection, and secure boot support for firmware integrity |
| RAM | 192 KB SRAM with address+data ECC and parity for safety-critical data buffers |
| Operating Voltage | 3.15 V to 5.5 V - supports direct connection to automotive battery rail without external regulation |
| Temperature Range | −40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood deployment |
| Safety Features | Core/DMA lockstep, e2eECC, duplicate peripherals, FCCU, ADC self-test, LBIST/MBIST |
Pinout & Package
SPC5742PFK1AMLQ8 is packaged in a 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows NXP's MPC574xP standard layout supporting dual power domains (VDD/VDDA), multiple I/O banks with configurable slew rate and pull-up/down, and dedicated safety monitoring pins (FCCU_ERR, SAFETY_RST).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog supply inputs | Separate 3.3 V domains enable noise isolation between digital logic and ADC/Sent receivers |
| RESET_IN, SAFETY_RST | Reset assertion inputs | Dual reset paths allow independent fault-triggered safe state entry and watchdog recovery |
| FLEXRAY_A_TX/RX, FLEXRAY_B_TX/RX | FlexRay differential transceiver I/O | Two independent FlexRay channels support redundant bus topology for chassis domain controllers |
| FLEXCAN0_TX/RX, FLEXCAN1_TX/RX, FLEXCAN2_TX/RX | CAN 2.0B transceiver I/O | Three isolated CAN interfaces enable multi-domain communication (powertrain, chassis, body) |
| SENT0–SENT3 | SENT receiver inputs | Four dedicated SENT inputs support simultaneous decoding of position, torque, and temperature sensors in EPS systems |
| ETM_TRACES | Nexus Class 3 debug trace output | Real-time instruction and data trace for ASIL-D verification and runtime behavior analysis |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 Lockstep Cores | Hardware-synchronized execution with continuous comparison ensures immediate fault detection and fail-safe transition |
| End-to-End ECC Protection | Address+data ECC on Flash, SRAM, and crossbar switch prevents silent data corruption in safety-critical memory paths |
| Functional Safety Unit (FCCU) | Configurable fault collection and response engine supporting ASIL-D diagnostic coverage for internal and external faults |
| FlexRay Dual-Channel Interface | Independent timing domains and message filtering per channel enable time-triggered redundancy for active suspension control |
| SENT Receiver Array (4×) | Simultaneous high-resolution sensor data acquisition (12-bit, 100 kS/s) without CPU intervention via eDMA |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current control during steering maneuvers under varying load and temperature. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep core supervision and PWM generation. Use Value: 200 MHz lockstep processing delivers sub-50 µs control loop latency while ECC-protected RAM ensures integrity of torque lookup tables and fault logs. | Use Scenario: High-speed crash event detection, pyrotechnic trigger sequencing, and occupant position validation using multi-axis accelerometers and seat sensors. IC Role / Device Role / Timing Role: Central safety domain controller managing sensor fusion, decision logic, and dual-redundant output drivers for airbag deployment. Use Value: FlexRay dual-channel interface enables synchronized communication with front/rear crash sensors; FCCU monitors ADC self-test results to validate sensor health pre-deployment. |
| Safety Motor Controller | Braking & Stability Control |
Use Scenario: Closed-loop control of 3-phase BLDC motors in electric brake boosters or active suspension actuators with functional safety compliance. IC Role / Device Role / Timing Role: Motor control MCU generating six-channel complementary PWM with dead-time insertion and overcurrent fault shutdown. Use Value: Two FlexPWM modules (4×(2+1) channels) provide precise gate drive timing; e200z4 lockstep guarantees correct PWM edge placement even under transient voltage stress. | Use Scenario: Integrated vehicle dynamics control coordinating ABS, ESC, and torque vectoring using wheel speed, yaw, and lateral acceleration inputs. IC Role / Device Role / Timing Role: Chassis domain controller aggregating CAN/FlexRay sensor data and issuing actuator commands with time-triggered scheduling. Use Value: Three FlexCAN interfaces support concurrent communication with ECU, IMU, and brake module; STM/PIT timers ensure deterministic 10 ms control cycle synchronization across domains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PFK1AMLQ8 | 2.5 MB flash, 384 KB RAM, same package and pinout | Supports larger AUTOSAR OS images and extended diagnostic stacks | Select when full ASIL-D software footprint exceeds 1.5 MB or additional RAM is required for dual-core task partitioning |
| TC397XP-160F300N DC | TriCore™ architecture, 300 MHz, 8 MB flash, 8 MB RAM, different pinout and safety library stack | Requires TriCore-specific toolchain and AUTOSAR BSW adaptation | Choose for higher compute throughput in complex ADAS fusion tasks where Power Architecture ecosystem constraints apply |
Compared with SPC5742PFK1AMLQ8, the SPC5744PFK1AMLQ8 offers scalable memory for enhanced diagnostics and logging, while the TC397XP demands architectural revalidation but delivers higher single-thread performance for sensor preprocessing workloads.
Availability
SPC5742PFK1AMLQ8 is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and safety motor controller applications requiring stable component supply across automotive production lifecycles.
Supply support for SPC5742PFK1AMLQ8 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MPC574xP product line was designed specifically for ASIL-D automotive safety applications including electric power steering, braking systems, and domain controllers - integrating lockstep cores, safety peripherals, and automotive-qualified packaging.
FAQ
What is the maximum operating temperature range for the SPC5742PFK1AMLQ8?
The SPC5742PFK1AMLQ8 is qualified per AEC-Q100 Grade 1 with an ambient operating temperature range of −40°C to +125°C. This rating applies to the full device functionality including lockstep core operation, FlexRay communication, and ADC conversion accuracy. The part is not rated for 135°C operation - that specification applies only to select variants like the SPC5744P in specific package configurations.
Does the SPC5742PFK1AMLQ8 support Ethernet communication?
No, the SPC5742PFK1AMLQ8 does not integrate an Ethernet MAC or PHY. While the MPC574xP family block diagram shows Ethernet as an optional feature, it is implemented only in the SPC5746C and SPC5775K variants. The SPC5742PFK1AMLQ8 provides FlexRay, FlexCAN, LINFlexD, DSPI, and SENT interfaces - sufficient for chassis and safety domain networking without Ethernet.
Is the SPC5742PFK1AMLQ8 pin-compatible with other MPC574xP devices?
Yes, the SPC5742PFK1AMLQ8 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5741P, SPC5743P, and SPC5744P in the same package variant. All share common power, ground, reset, JTAG, and peripheral signal assignments. However, unused pins may differ in function availability - for example, SENT4 is not enabled on SPC5742PFK1AMLQ8 despite physical presence.
What safety certifications does the SPC5742PFK1AMLQ8 support out-of-the-box?
The SPC5742PFK1AMLQ8 is built to support ISO 26262 ASIL-D and IEC 61508 SIL3 compliance through hardware features including dual-core lockstep, end-to-end ECC, FCCU, LBIST/MBIST, and ADC self-test. NXP provides certified safety manuals, FMEDA reports, and hardware abstraction layers - but full ASIL-D certification requires system-level integration, software validation, and tool qualification by the end customer.
Can the SPC5742PFK1AMLQ8 be used in non-automotive industrial applications?
Yes, the SPC5742PFK1AMLQ8 is suitable for industrial safety applications requiring high reliability and functional safety, such as programmable logic controllers and motor drives. Its −40°C to +125°C rating, lockstep architecture, and ECC memory meet IEC 61508 SIL3 requirements. However, industrial users must validate electromagnetic compatibility (EMC) and thermal performance in their specific enclosure and cooling environment, as AEC-Q100 testing focuses on automotive conditions.
SPC5742PFK1AMLQ8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- MPC57xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 180MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.15V ~ 5.5V
- Data Converters:
- A/D 64x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5742PFK1AMLQ8 FAQ
1.How can I place an order for SPC5742PFK1AMLQ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PFK1AMLQ8 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SPC5742PFK1AMLQ8 reliable?
The price and inventory of SPC5742PFK1AMLQ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PFK1AMLQ8 is usually 5 days.
3.What payment methods are accepted for SPC5742PFK1AMLQ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PFK1AMLQ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PFK1AMLQ8?
SPC5742PFK1AMLQ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PFK1AMLQ8 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SPC5742PFK1AMLQ8?
For technical support, including SPC5742PFK1AMLQ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PFK1AMLQ8 requirements.
6.How does Aetrix verify that SPC5742PFK1AMLQ8 is sourced from the original manufacturer or authorized distributors?
All SPC5742PFK1AMLQ8 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SPC5742PFK1AMLQ8 meets industry standards.
7.What is the process for return or replacement of SPC5742PFK1AMLQ8?
All SPC5742PFK1AMLQ8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PFK1AMLQ8, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SPC5742PFK1AMLQ8 part is unused and in its original packaging.
Return procedure for SPC5742PFK1AMLQ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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